5)引流线安装连接质量、弧垂及最小电气间隙;的翻译：5) installed drainage line connection quality, SAG and minimum electrical clearance; 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

5) drainage line installation and connection quality, sag and minimum clearance;

5) installed drainage line connection quality, SAG and minimum electrical clearance;